[ARC5] Interesting documents

[AKLDGUY .]

Notice also that with the split frequency operation that I suggested, it's
impossible for pilots to chatter to each other, thus radio silence is
automatically enforced. If or when the enemy is engaged, all need for
secrecy is gone and all pilots retune their receivers to the frequency of
their transmitters so they can talk to each other.

73 de Neil ZL1ANM


On Tue, Nov 22, 2016 at 8:41 AM, AKLDGUY . <neilb0627 at gmail.com> wrote:

> > I still wonder why the receivers were tuneable but the transmitters were
>> set at a fixed frequency and in this case even inaccessible!
>>
>
> I have suggested a reason once before, but got shot down.
> To reduce the chances of a listening enemy overhearing flight commands,
> there may have been frequency changes at scheduled times or places, like
> this:
>
> The flight starts out with all planes listening for instructions on one of
> the frequencies of the flight leader. At a certain time or at a certain
> waypoint, all planes except the flight leader tune their receivers to
> another of his frequencies for instructions. At another time or waypoint,
> another of his frequencies. He keeps his receiver on the original frequency
> so he can hear their acknowledgements.
>
> I got shot down by those who said that tactic was never employed, but that
> isn't the point. The development of the radio system may have proceeded
> along that line on the basis that it might be implemented.
>
> 73 de Neil ZL1ANM
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/arc5/attachments/20161122/4910c83a/attachment-0001.html>